C++ Developer | Quantitative Research and Trading Firm (Digital Assets)

JR United Kingdom; Slough; On-site; GBP 60,000 - 100,000; Full time

Job summary

A leading quantitative research and trading firm in Slough is seeking a Core C++ Developer to design ultra-low-latency trading infrastructure. In this role, you will optimize execution speed and collaborate with top engineers to enhance high-performance systems in a dynamic environment. Candidates should have extensive experience in modern C++ programming and performance tuning, aiming to push the boundaries of trading technology.

Qualifications

• 3+ years of high-performance C++ development experience.
• Expert-level proficiency in modern C++ (C++17/20).
• Strong experience in Linux-based performance tuning.

Responsibilities

• Design and optimise low-latency trading infrastructure.
• Develop order execution and risk management systems.
• Benchmark and debug real-time systems for performance.

Skills

C++

Multi-threading

Performance Tuning

Networking Performance

Job description

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C++ Developer | Quantitative Research and Trading Firm (Digital Assets), slough

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Client:

Techfellow Limited

Location:

slough, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

4

Posted:

31.05.2025

Expiry Date:

15.07.2025

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Job Description:

[Up to c. £350k Comp Package (or equivalent) | Flexible Working Options - On-Site Preference]

Are you a C++ expert with a passion for building ultra-low-latency trading infrastructure? Our client, a global quantitative trading firm, is searching for a Core C++ Developer to push the boundaries of high-performance computing. This role offers the chance to optimise execution speed, enhance system scalability, and collaborate with top-tier engineers to develop trading systems at the cutting edge of technology...

Key Responsibilities

• Design and optimise high-performance, low-latency trading infrastructure in modern C++ (C++17/20)
• Develop and fine-tune order execution and risk management systems, ensuring robustness and efficiency
• Optimise CPU performance, memory management, and multi-threaded applications for peak efficiency
• Implement and refine networking performance, including TCP/UDP tuning and kernel bypass techniques (AF_XDP, DPDK)
• Benchmark, profile, and debug real-time systems, reducing latency and maximising throughput
• Collaborate with quantitative researchers, traders, and infrastructure engineers to improve execution speed
• Ensure fault tolerance and system resilience, maintaining seamless operation for continuous trading

What You Bring...

• 3+ years of experience in high-performance, low-latency C++ development
• Proven ability to optimise network performance (TCP/UDP), including kernel bypass
• Expert-level proficiency in modern C++ (C++17/20) and deep systems programming knowledge
• Strong experience in multi-threading, concurrency, and Linux-based performance tuning
• Hands-on experience with real-time, high-throughput systems in a latency-sensitive environment
• (Preferred) Familiarity with C# code generation for trading infrastructure automation
• (Preferred) Experience with AWS cloud environments, on-prem clusters (HTCondor), or quantitative trading systems